Home / 10,859.81-14,984.09-6,610.75

Finding the Fourth Proportional to 10,859.81, 14,984.09 and 6,610.75

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Solution

The fourth proportional to 10,859.81, 14,984.09 and 6,610.75 is: 9,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.81 : 14,984.09 = 6,610.75 : x
  2. Step 2: Convert to fraction form
    10,859.81/14,984.09 = 6,610.75/x
  3. Step 3: Cross multiply
    10,859.81x = 14,984.09 × 6,610.75
  4. Step 4: Simplify right side
    10,859.81x = 99,056,027.24
  5. Step 5: Solve for x
    x = 99,056,027.24/10,859.81
  6. Step 6: Final answer
    x = 9,121.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.